tls_set_device_offload_rx: netdev lo with no TLS offload bridge0: port 1(bridge_slave_0) entered disabled state kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN CPU: 0 PID: 9381 Comm: syz-executor2 Not tainted 4.18.0-rc8+ #176 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:smc_tx_prepared_sends net/smc/smc_tx.h:27 [inline] RIP: 0010:smc_ioctl+0x5d4/0x1250 net/smc/af_smc.c:1750 IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready Code: 48 c1 ea 03 80 3c 02 00 0f 85 7c 0c 00 00 4c 8b ab 98 04 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 20 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e ca 0b 00 00 41 8b 45 20 49 8d RSP: 0018:ffff88019954f5c8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff88019e0a60c0 RCX: 1ffff100332a9ed9 RDX: 0000000000000004 RSI: 1ffff100332a9ef9 RDI: 0000000000000020 RBP: ffff88019954f9b0 R08: ffffed00332a9eda R09: ffffed00332a9ed9 R10: ffffed00332a9ed9 R11: ffff88019954f6cf R12: 1ffff100332a9ebd R13: 0000000000000000 R14: 0000000020000100 R15: ffff88019954f688 FS: 00007fb1d79d4700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000704076 CR3: 00000001b2024000 CR4: 00000000001406f0 Call Trace: sock_do_ioctl+0xe4/0x3e0 net/socket.c:968 sock_ioctl+0x30d/0x680 net/socket.c:1092 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:684 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:701 __do_sys_ioctl fs/ioctl.c:708 [inline] __se_sys_ioctl fs/ioctl.c:706 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:706 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x456c99 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fb1d79d3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fb1d79d46d4 RCX: 0000000000456c99 RDX: 0000000020000100 RSI: 000000000000894b RDI: 0000000000000013 RBP: 0000000000930320 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d15e8 R14: 00000000004bf7b0 R15: 0000000000000004 Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) ---[ end trace a31d0838454d0c12 ]--- RIP: 0010:smc_tx_prepared_sends net/smc/smc_tx.h:27 [inline] RIP: 0010:smc_ioctl+0x5d4/0x1250 net/smc/af_smc.c:1750 Code: 48 c1 ea 03 80 3c 02 00 0f 85 7c 0c 00 00 4c 8b ab 98 04 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 20 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e ca 0b 00 00 41 8b 45 20 49 8d RSP: 0018:ffff88019954f5c8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff88019e0a60c0 RCX: 1ffff100332a9ed9 RDX: 0000000000000004 RSI: 1ffff100332a9ef9 RDI: 0000000000000020 RBP: ffff88019954f9b0 R08: ffffed00332a9eda R09: ffffed00332a9ed9 R10: ffffed00332a9ed9 R11: ffff88019954f6cf R12: 1ffff100332a9ebd R13: 0000000000000000 R14: 0000000020000100 R15: ffff88019954f688 FS: 00007fb1d79d4700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000704076 CR3: 00000001b2024000 CR4: 00000000001406f0